+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* NUL SOH STX ETX */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* EOT ENQ ACK BEL */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* BS HT LF VT */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* FF CR SO SI */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* DLE DC1 DC2 DC3 */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* DC4 NAK SYN ETB */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* CAN EM SUB ESC */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* FS GS RS US */
+
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* SP ! " # */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* $ % & ' */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* ( ) * + */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* , - . / */
+ 0, 1, 2, 3, /* 0 1 2 3 */
+ 4, 5, 6, 7, /* 4 5 6 7 */
+ 8, 9, _hex_bad, _hex_bad, /* 8 9 : ; */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* < = > ? */
+
+ _hex_bad, 10, 11, 12, /* @ A B C */
+ 13, 14, 15, _hex_bad, /* D E F G */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* H I J K */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* L M N O */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* P Q R S */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* T U V W */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* X Y Z [ */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* \ ] ^ _ */
+
+ _hex_bad, 10, 11, 12, /* ` a b c */
+ 13, 14, 15, _hex_bad, /* d e f g */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* h i j k */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* l m n o */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* p q r s */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* t u v w */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* x y z { */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad, /* | } ~ DEL */
+
+ /* The high half of unsigned char, all values are _hex_bad. */
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+ _hex_bad, _hex_bad, _hex_bad, _hex_bad,
+};
+#define HEX_TABLE_INITIALIZED
+
+#else
+
+unsigned char _hex_value[_hex_array_size];
+
+#endif /* not ASCII */
+
+void
+hex_init (void)
+{
+#ifndef HEX_TABLE_INITIALIZED